Examlex
What is natural selection and how does it work? Give an example of natural selection in action. Explain the relationship between natural selection and variation.
Stimulants
Stimulants are substances that increase activity in the brain and body, often leading to increased alertness, attention, and energy.
Daytime Naps
Short periods of sleep taken during the day to refresh or make up for insufficient nighttime sleep.
Bed Time
Bed Time signifies the regular time at which an individual goes to bed to sleep.
Alcohol
A chemical compound commonly found in beverages such as beer, wine, and spirits, characterized by its psychoactive and intoxicating effects.
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